Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
EL

Elizabeth Longwell — 1 Patent

IPIp-First: 1 patents #19 of 27Top 75%
Austin, TX: #12,224 of 18,064 inventorsTop 70%
Texas: #74,151 of 125,132 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Elizabeth Longwell has been granted 1 US patent while listed as an inventor at Ip-First. All of these patents were granted in 2006. Elizabeth Longwell ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Elizabeth Longwell in Austin, TX, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7131083 Optimization of clock network capacitance on an integrated circuit Raymond A. Bertram, Jim Lundberg 2006-10-31